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ATOFINA CHEMICALS, INC inc - /ink/ increment, i.e. increase by one. Especially used by assembly programmers, as many assembly languages have an "inc" mnemonic.

Antonym: dec.

Metablen MBS See Mb/sec.

MBS - mobile broadband services
 impact modifiers for rigid PVC PVC: see polyvinyl chloride.
 in full polyvinyl chloride

Synthetic resin, an organic polymer made by treating vinyl chloride monomers with a peroxide.
 bottles, sheet, film, and injection molding. FDA-approved for food-grade PVC.

Metablen S weatherable silicone-acrylic impact modifiers for high-performance rigid PVC applications such as sheet, profiles, and injection molding. Metablen P acrylic processing aids used in any rigid PVC applications as well as flexible PVC.

Durastrength 200 weatherable acrylic impact modifier for rigid PVC siding, profiles, and injection molding.

Series of Durastrength and Thermocel multifunctional systems used for weatherable rigid siding, profiles, and PVC foams.


Finaprene styrenic block copolymers improve impact strength, elongation, and flexibility of PS, polyolefins, and ABS. Also enhance low-temperature properties of PP and increase tear and impact resistance of thin-gauge film. Products are heat-stable for rigorous processing.


Baymod ABS powder modifiers for PVC include products for both rigid indoor and exterior weatherable applications. They provide improved impact resistance and heat-distortion temperatures for PVC alloys used for injection molding and extrusion. Applications include business-machine housings, profile extrusions, and semi-flexible or rigid calendered thermoformable sheets.

Baymod EVA Eva

to marry winner of singing contest. [Ger. Opera: Wagner, Meistersinger, Westerman, 225–228]

See : Prize

1. Eva - A toy ALGOL-like language used in "Formal Specification of Programming Languages: A Panoramic Primer", F.G.
 copolymers can be used as weatherable impact modifiers for rigid vinyl extrusions such as window profiles. Levapren EVA copolymers act as "permanent plasticizers" for flexible compounds requiring improved extraction resistance and aging properties.


Polybutenes improve impact resistance of ABS and thermoplastics such as crystal PS, high-impact PS, PP homopolymer and copolymer. Polybutenes are clear, heat-stable viscous polymers with little or no odor in a range of viscosities.

In ABS and PS, polybutenes can improve impact resistance and melt flow. When used in place of mineral oil, physical properties of PS are less affected and impact resistance is improved.

In modified PP and resin that has been modified with a TPE TPE Thermoplastic Elastomer
TPE Terminal de Paiement Electronique (French)
TPE Total Power Exchange
TPE Twisted Pair Ethernet
TPE Tampines Expressway (Singapore)
TPE Therapeutic Plasma Exchange
, polybutenes are said to dramatically improve impact resistance. Partial replacement of more expensive TPE may be possible.


SBS See Small Business Server.  and SIS block copolymers for olefinic and styrenic thermoplastics, engineering resins, thermosets thermosets, materials that can not be softened on heating. In thermosetting polymers, the polymer chains are joined (or cross-linked) by intermolecular bonding. Thermosets are usually supplied as partially polymerized or as monomer-polymer mixtures. , and blends and alloys. Proprietary technology allows production of block copolymers with virtually no diblock residuals. Diblock-free copolymers reportedly offer superior mechanical properties and color stability.

Certain grades of Vector SBCs are designed to be components of engineering resins. Others are tailored to overcome the deleterious effects of additives such as flame retardants. Can also be used to compatibilize dissimilar plastics in alloys and blends.


Sillum-200-M air-floated calcined inert silica-alumina is superheated su·per·heat  
tr.v. su·per·heat·ed, su·per·heat·ing, su·per·heats
1. To heat excessively; overheat.

 to 2200 F to eliminate organic tramp elements. Buff colored, noncombustible and chemically inert. Processing to a standard 200 mesh, median particle size of 45 mm, provides for easy compounding with granular/pellet type products or distribution in liquids.


See DuPont Dow Elastomers LLC (Logical Link Control) See "LANs" under data link protocol.

LLC - Logical Link Control

DSM 1. DSM - Data Structure Manager.

An object-oriented language by J.E. Rumbaugh and M.E. Loomis of GE, similar to C++. It is used in implementation of CAD/CAE software. DSM is written in DSM and C and produces C as output.

Several types of elastomers for toughening thermoplastics include Keltan EPDM EPDM Ethylene-Propylene-Diene-Monomer
EPDM Enterprise Product Data Management
EPDM Ethylene Propylene Dimonomer (industrial/commercial piping/plumbing components)
EPDM Engineering Product Data Management
 and EPR EPR Electron Paramagnetic Resonance
EPR Extended Producer Responsibility
EPR Electronic Patient Record(s)
EPR Emergency Preparedness and Response (US DHS)
EPR Endpoint Reference
EPR Ethylene-Propylene Rubber
 for polyolefins, and NYsyn NBR NBR Number
NBR Nightly Business Report (PBS show)
NBR National Business Review (New Zealand weekly business newspaper)
NBR National Bureau of Asian Research
NBR National Board of Review
 and Copo SBR SBR - Spectral Band Replication  products for styrenic thermoplastics. NYsynbank NBR black masterbatches are used as combination impact modifiers and black concentrates for ABS and nylon.

Keltan EPDMs range from semi-crystalline to amorphous types and from ultra-low to high Mooney viscosity. Oil-extended terpolymers available in high and ultra-high molecular weights for high-hardness applications and crosslinked thermoplastic elastomers. Also functionalized EPM EPM

equine protozoal myeloencephalitis.
 products for toughening engineering thermoplastics. Most products available in pellet and bale form. Pelletized amorphous grades supplied in customized masterbatches.

Keltan DE291 pellets for applications requiring high flow and high-impact strength, particularly at low temperatures. PP homopolymer can be upgraded to impact-copolymer grade.

Keltan DE301 for applications requiring high flow and high modulus. This pelletized EPR is targeted at the TPO (Twisted Pair Only) Refers to the use of twisted pair wire when other options are available. For example, a TPO suffix at the end of 3com Ethernet adapter model numbers indicates the card has only an RJ45 connector.  market and offers superior stiffness and good low temperature properties.

Patented ultra-low viscosity Keltan 1446A pelletized EPDM for use in curable sealants, caulk tapes and adhesives. Has superior surface finish, and improved processability and weatherability.

DUPONT CO. CHEMICALS DEPT dept department .

Company's toughening technologies involve ethylene terpolymers, ionomers and grafted polyolefins.

Ethylene terpolymers provide impact resistance over a broad temperature range, particularly at low temperatures, for various thermoplastics. In thermoplastics, ethylene terpolymers improve impact resistance of PVC, ABS, SAN, SMA (1) See SMA connector.

(2) (Shared Memory Architecture) See shared video memory.

(3) (Software Maintenance Association) A membership organization that began in 1985 and ended in 1996.
, and PC. In PVC they offer improved weatherability and easier processing resulting from a reduction in melt viscosity. Weatherability is also improved in ABS.

Surlyn ionomer ionomer (īon´mr),
n a polymer containing ion.
 resins provide low-temperature impact properties in nylon 6 and nylon 6,6. In TPOs, ionomers enhance abrasion resistance and paintability.

In reinforced PP and PE compounds, Fusabond anhydride-grafted polyolefin modifiers improve toughness by increasing adhesion between reinforcements and the resin matrix. Fusabond N anhydride-grafted EP rubbers provide superior toughening in 6 and 6,6 nylon.


Joint venture between Dow Chemical and DuPont offers a variety of elastomers that can be used as impact modifiers. Examples are Tyrin CPE (Customer Premises Equipment) Communications equipment that resides on the customer's premises.

CPE - Customer Premises Equipment
 for use in weatherable PVC; Engage polyolefin elastomers which can be used in PP and functionally grafted for use in engineering resins; Nordel IP EPDM, which functions as an impact modifier and low-profile additive in thermoset A polymer-based liquid or powder that becomes solid when heated, placed under pressure, treated with a chemical or via radiation. The curing process creates a chemical bond that, unlike a thermoplastic, prevents the material from being remelted. See thermoplastic.  polyester SMC SMC Saint Mary's College
SMC Santa Monica College
SMC Solaris Management Console
SMC Smooth Muscle Cell
SMC Small Magellanic Cloud (also see LMC)
SMC Safety Management Certificate (maritime shipping) 
 and BMC (BMC Software, Inc., Houston, TX, A leading supplier of software that supports and improves the availability, performance, and recovery of applications in complex computing environments. ; and Viton freeflow fluoroelastomers, which increases throughput in polyolefin manufacturing and reduces melt fracture.


Epolene G-3003 and G-3015 function as coupling agents to improve impact strength in highly filled polymers such as polyolefins and nylon polymers.


Amorphous silica used to partially or fully replace impact modifiers such as CPE or acrylics in PVC pipe. EMS-210 (gray) is used in several plastics, including PVC. EMS-210 replaces carbon black in gray PVC pipe. Product provides stiffness and impact strength enhancement as well as better dryblend flow of PVC compounds.


Expancel expandable thermoplastic microspheres used as blowing agents and low-density fillers also serve as impact modifiers for thermosets and elastomers. Resilient nature of spheres allows deformation without breakage, thereby improving impact resistance and reducing stress. In elastomeric materials, the resiliency of Expancel improves compatibility between filler and matrix material.


Exact polyolefin plastomer impact modifiers for PP, PE, and styrenic block copolymers. Exxelor reactive polymers are functionally grafted polyolefins used for impact modifying engineering thermoplastics and polyolefins.

Exxpro specialty elastomers with bromine bromine (brō`mēn, –mĭn) [Gr.,=stench], volatile, liquid chemical element; symbol Br; at. no. 35; at. wt. 79.904; m.p. –7.2°C;; b.p. 58.78°C;; sp. gr. of liquid 3.12 at 20°C;; density of vapor 7.  functionality are durable and weatherable. Provide impact enhancement in a number of different polymers for extreme environments.

Other impact modifiers include Escor acid terpolymres, Jotek inomers, and Optema ethylene methyl acrylate (EMA (1) (Enterprise Management Architecture) An earlier strategic plan from Digital for integrating network, system and application management. It provided the operating environment for managing a multi-vendor network. ) polymers.


Stereon block copolymers of styrene and butadiene used for impact modification of thermoplastic resins. Stereon 721A and 730A D: block polymers are effective in HIPS, ABS, and engineering resins and available in baled form. Stereon 840A pelletized multiblock copolymer is dryblended with PS, PP, or PE to improve impact, flexibility, and tear strength. Also can be used to upgrade regrind and provide impact improvement for degradable plastics.


Blendex polymer modifier resins improve toughness and heat distortion in PVC and other polymers.

Blendex 338 ABS modifier reportedly has superior impact efficiency even at low temperatures. Provides toughness to opaque sheet, profile, electrical conduit, and injection molding compounds. Can also be used to minimize notch sensitivity of PCs and TP polyesters.

Blendex 415 impact modifier formulated for clear PVC applications has good impact performance, low stress-whitening characteristics and chemical resistance.

Blendex 131 ABS modifier reportedly imparts excellent melt strength to flexible PVC and has good melt mixing and fusion characteristics.

Blendex 703 alphamethylstyrene ABS modifier with high flow improves melt strength and processability. Especially useful in foamed PVC.

Blendex 586 poly (alphamethylstyrene-SAN) modifier increases heat distortion temperature of rigid PVC. Compatible with PVC at all concentrations.


MBS, ABS and acrylic impact modifiers for PVC and other thermoplastic polymers provide good clarity and stress-whitening characteristics. FM-10, 20 and 23 are weatherable modifiers. Also multiple blends (impact modifier and process aids) for special applications such as foamed PVC and low-gloss products.


TPOs, TPRS TPRS Towed Parachute Retrieval System , TPEs, and Novalast cured thermoplastic vulcanizate, which reportedly has excellent compression-set properties. Available in natural or black and various durometers.

Novalene TPO can be used as an impact modifier for PP and PE. Can raise Izod levels to no-break point, even at low temperatures. Used as a masterbatch to produce specialty TPOs and TPEs.

Novalar impact modifier for ABS, PVC, and PC increases impact strength and ductility, improves low temperature properties, and eliminates brittleness.

OSI (1) (Open System Interconnection) An ISO standard for worldwide communications that defines a framework for implementing protocols in seven layers. Control is passed from one layer to the next, starting at the application layer in one station, proceeding to the  SPECIALTIES CROMPTON CORP.

Silane coupling agents, when used with reinforcements, can improve impact strength, tensile strength, and other properties such as detergent resistance and dimensional stability.

RICON RICON Rhode Island Consortium of Genealogical and Historical Societies  RESINS INC.

Ricon liquid 1,2-polybutadienes and 1,2-polybutadiene/styrene copolymers are low-temperature impact modifiers in polyolefins, styrenics, and TPEs. Also used as compatibilizers in various polymer alloys including polyolefins.

Ricacryl methacrylated polybutadienes can be used for uv curability, as well as adding functional activity. Ricobond maleinized polybutadines are functinalized adhesion promoters. Ricon low-molecular-weight liquid polybutadienes and SBRs for very low-[T.sub.g] plasticizers.

ROHM AND HAAS Rohm and Haas Company (NYSE: ROH), a Philadelphia, Pennsylvania based company, manufactures miscellaneous materials. A Fortune 500 Company, Rohm and Haas employs more than 17,000 people in 27 countries. The annual sales revenue of Rohm and Haas stands at about USD 8.2 billion.  CO. PLASTICS ADDITIVES

Paraloid and Paraloid EXL all-acrylic and MBS impact modifiers for vinyl and other engineering resins.

Paraloid KM-300 series all-acrylic impact modifiers add toughness, color retention and weatherability to vinyls for long-term outdoor exposure. KM-390 includes processing aid. Paraloid KM-377 acrylic impact modifier can reduce gloss significantly. Specialized additives or processing is not necessary to attain a premium wood-like siding surface. Paraloid KM-377 will also narrow the variability in gloss due to processing variations.

Paraloid BTA-700 series MBS impact modifiers give superior toughness in non-weatherable applications. BTA-730 offers high-impact efficiency with superior clarity and good resistance to crease whitening. BTA-751 gives maximum toughness at ambient or low temperature in general-purpose opaque vinyl and also for clear containers when using Paraloid HT-100 for heat resistance. BTA-753 adds high impact to opaque vinyl at ambient and low temperatures.

Paraloid EXL-3300 series acrylic tougheners are for weatherable applications of engineering resins requiring good color retention. EXL-3330 offers good inherent thermal stability, resistance to uv degradation, and balance of toughness. EXL-3361 gives enhanced thermal stability and good balance of properties including colorability.

Paraloid EXL-3600 series MBS tougheners for engineering resins give superior low-temperature impact resistance. EXL-3611 is a reactive toughener for nylon. EXL-3691A is a general-purpose toughener providing a balance of low-temperature impact resistance and modulus for engineering resins.

The Paraloid series of specialty and multifunctional additives are designed for adding only one product to the blending operation. Paraloid KM-388, Paraloid KM-390 and Paraloid KM-940 contain impact modifier and processing aids. Paraloid KM-388 designed to achieve a true low-gloss "wood look" in siding and other applications. Paraloid KM-390 provides a balance of process and gloss control and is used for a smooth, satin finish. Paraloid KM-940 is designed to meet the demands of high-rate extrusion and filler incorporation and will yield relatively high gloss.

Paraloid multifunctional additives are blended in a liquid state and isolated into powder as one product. This ensures accurate ratios of the components and consistent performance. (See ad p. 324.)


SBS and SEBS/SEPS block copolymers for impact modification of PS, engineering thermoplastics, and multipolymer blends and alloys.

SBS Kraton D series of polymers modifies PS, PPE blends, and polyolefin blends. SEBS/SEPS Kraton G polymer series impact modifies PP, PPE blends and PC. Functionalized SEBS Kraton G1900X polymer series impact modifies polar engineering thermoplastics, especially polyamides and polyesters, and compatibilizes polar polymers with nonpolar nonpolar

not having poles; not exhibiting dipole characteristics.
 olefinic polymers.


Grafted EPDM modifiers include Royaltuf 485 and 498 (maleic anhydride grafted) for all types of nylon. Also compatibilizes nylon/PP blends and commingled recycle mixes of polar and nonpolar polymers. Royaltuf372P20 SAN-grafted EPDM is a weatherable impact modifier for PC, PC alloys, and SAN.

Polybond and Unite grafted polyolefins improve impact and strength properties by chemically coupling glass fiber and other fillers in reinforced PP and PE compounds. Polybond 1001 and 1002 (acrylic acid-grafted PP); Polybond 3002, 3150, and 3200 (maleic anhydride-grafted PP); and Unite MP 880 and MP 1000 are used in reinforced PP. Polybond 1009 (acrylic acid-grafted HDPE HDPE
high-density polyethylene
) and Polybond 3009 (maleic anhydride grafted PE) are used in reinforced PE. They also compatibilize PP/nylon blends and commingled recycle mixes of polar and nonpolar resins.


Specialty synthetic rubbers include Nipol, DuoMod and Zealloy nitrile rubber (NBR), Zetpol hydrogenated nitrile rubber (HNBR HNBR Hydrogenated Acrylonitrile-Butadiene Rubber ), Hytemp polyacrylate (ACM), Hydrin epichlorohydrin ep·i·chlo·ro·hy·drin  
A colorless liquid, C3H5OCl, used as a solvent in making resins.
 (ECO) and Norsorex polynorbornene (PNR).

Specific grades are tailored for use as impact modifiers, plasticizers, processing aids, and lubricants for flexible and rigid PVC, ABS, nylon, TPEs, blends/alloys, epoxies, and phenolics. Applications include calendered and extruded PVC, wire and cable, pipe, molded machine housings, aerospace and industrial composites, and friction products.
COPYRIGHT 2001 Gardner Publications, Inc.
No portion of this article can be reproduced without the express written permission from the copyright holder.
Copyright 2001, Gale Group. All rights reserved. Gale Group is a Thomson Corporation Company.

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Publication:Plastics Technology
Geographic Code:1USA
Date:Oct 1, 2001
Previous Article:FILLERS.

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